Correlation Statistics

Which of the following scatter plots show a moderately negative correlation?

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Which of the following values of r shows the strongest correlation?

• -0.12

• 0.26

• -0.57

• 0.50

The correlation of the following pairs of variables can be calculated using the Pearson’s sample correlation coefficient except for one. Which of the following is not included?

• height and arm span

• age and weight

• age and gender

• IQ level and grade-point average

• P5,500.00

• P7,000.00

• P6,000.00

• P6,700.00

• negative and scatter plot 2 because the points are further away from the line of best.

• positive and scatter plot 1 because the points are closer to the line of best fit.

• no correlation because the data is scattered.

• Positive and scatter plot 2 because the points are spread out more.

• Scatter plot 1

• Scatter plot 2

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• 2

• 3

• 4

• 1

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• 3

• 4

• 1

• 2

• 3

• 4

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• 2

• 3

• 4